Isabel, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Isabel, IL in one place.
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Isabel, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 1, 2026 6:32 AM CDT.
The active forecast window currently covers Aug 1 to Aug 7, 2026 for Isabel, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 1 to Aug 7, 2026
- Latest sync
- Aug 1, 2026 6:32 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Isabel
Friday looks like the warmest upcoming period in Isabel at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 1, 2026 6:32 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Mostly cloudy, with a high near 76. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 65. North wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. North wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. North wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 79. North northeast wind around 10 mph, with gusts as high as 16 mph.
Mostly clear, with a low around 62. North northeast wind 3 to 8 mph.
Sunny, with a high near 82.
Mostly clear, with a low around 64.
Sunny, with a high near 84.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 66.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 1
|
Showers And Thunderstorms Likely
|
68°F |
10 mph
SE
|
|
Saturday
Aug 1
|
Showers And Thunderstorms
|
76°F |
6 to 10 mph
SSW
|
|
Saturday Night
Aug 1
|
Showers And Thunderstorms
|
65°F |
5 to 9 mph
N
|
|
Sunday
Aug 2
|
Rain Showers Likely
|
77°F |
10 to 15 mph
N
|
|
Sunday Night
Aug 2
|
Chance Showers And Thunderstorms then Partly Cloudy
|
63°F |
8 to 14 mph
N
|
|
Monday
Aug 3
|
Mostly Sunny
|
79°F |
10 mph
NNE
|
|
Monday Night
Aug 3
|
Mostly Clear
|
62°F |
3 to 8 mph
NNE
|
|
Tuesday
Aug 4
|
Sunny
|
82°F |
5 mph
NNE
|
|
Tuesday Night
Aug 4
|
Mostly Clear
|
64°F |
3 mph
NNE
|
|
Wednesday
Aug 5
|
Sunny
|
84°F |
5 mph
WSW
|
|
Wednesday Night
Aug 5
|
Partly Cloudy then Slight Chance Rain Showers
|
66°F |
3 mph
SSE
|
|
Thursday
Aug 6
|
Slight Chance Showers And Thunderstorms
|
84°F |
3 to 7 mph
S
|
|
Thursday Night
Aug 6
|
Chance Showers And Thunderstorms
|
67°F |
6 mph
S
|
|
Friday
Aug 7
|
Chance Showers And Thunderstorms
|
86°F |
8 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Isabel.